foreach my $SYS (qw(ifeuu1 ifcau1 ifcaa1 mifuat aimuat timeuat)) { $cmd=q|ssh -q SYSTEM perl -e \'print +\( stat \( \"Envs_SYSTEM.xml\" \)\)\[9\]\;\'|; $cmd =~ s/SYSTEM/$SYS/g ; print "$SYS:" . `$cmd` . "\n"; }